Compact phase shifter using arbitrary length of two coupled transmission lines. - Tso-Jung Chang; Krishna Pande; Ting-Jui Huang; Heng-Tung Hsu (IET Circuits Devices Syst., 2021)

Rigorous Analysis and Investigation of the Bandwidth Broadening Mechanism in a Compact Power Divider With Physical Port Isolation. - Arpan Desai; Yi-Fan Tsao; Tso-Jung Chang; Heng-Tung Hsu (IEEE Access, 2022)